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August 3, 2004 <br /> NOA Project Number: E04081A <br /> _ Table 4. <br /> - San Joaquin County Soil Survey - <br /> Selected Soil Properties of On-Site Soils. <br /> Soil Name Depth Unified Soil Classification Salinity Soil Perme- Septic tank <br /> and Map (in) mmhos/cm Reaction ability absorption <br /> Symbol pH (in/hr) fields <br /> Tokay fine 0-19: Fine Sandy loam,SM <2 6.1-7.8 2.0-6.0 Slight <br /> sandy 19-45: Fine sandy loam,sandy loam, <2 6.1-7.8 2.0-6.0 <br /> loam,0-2% 45-60: SM <br /> slopes,256. Fine Sandy loam,sandy <2 6.1-8.4 2.0-6.0 <br /> loam,coarse sandy loam,SM <br /> Tujunga 0-22: Loamy sand,SW-SM,SM,SP- <2 6.1-7.3 6.0-20 Severe:poor <br /> loamy SM filter <br /> sand,0-2% 22-67: Loamy sand,fine sand,sand, <2 6.1-7.8 6.0-20 <br /> 11 slopes,259. 1 1 SW-SM,SM,SP-SM <br /> Note:The table descriptions do not necessarily reflect site-specific soil properties. <br /> 5.3 Soil Lithology Observed and Septic Applicability <br /> Generally, the soil encountered in the boring is similar to the soils reported by the San <br /> Joaquin County Soil Survey for the area (USDA, 1992). Table 5 presents the soil log for the <br /> 3-foot deep soil boring. <br /> _ Table 5. <br /> Soil Boring Lo P-1 <br /> Depth Interval(ft) Soil Type Unified Soil Classification <br /> 0-3 (Brown silty sand SM <br /> Sandy soils typically exhibit rapid percolation rates. <br /> 6.0 PERCOLATION TEST INFORMATION <br /> 6.1 Percolation Test Boring Locations <br /> One shallow percolation test was conducted adjacent to the existing sewage disposal system <br /> for the shop building. Please refer to the site plan for the exact location (Plate 1). <br /> r. <br /> 9 <br />